12-Letter Adjectives Starting With I
Here's the list of all the 247 12-Letter Adjectives Starting With I in the English Language.
The list is arranged by the word lengths. Click on the length below to jump to the relevant section of the page.
| Common Adjectives (with Definitions and Examples) | |
|---|---|
| intellectual | 1. appealing to or using the intellect 2. involving intelligence rather than emotions or instinct More Definitions → |
| incorporated | 1. formed or united into a whole 2. organized and maintained as a legal corporation More Definitions → |
| intermediate | 1. lying between two extremes in time or space or state 2. around the middle of a scale of evaluation More Definitions → |
| instrumental | 1. relating to or designed for or performed on musical instruments 2. serving or acting as a means or aid More Definitions → |
| introductory | 1. serving to open or begin 2. serving as a base or starting point More Definitions → |
| insufficient | 1. of a quantity not able to fulfill a need or requirement More Definitions → |
| inconsistent | 1. not capable of being made consistent or harmonious 2. not in agreement More Definitions → |
| inflammatory | 1. characterized or caused by inflammation 2. arousing to action or rebellion More Definitions → |
| identifiable | 1. capable of being identified More Definitions → |
| invitational | 1. pertaining to or characteristic of an invitation More Definitions → |
| incompatible | 1. not compatible 2. used especially of drugs or muscles that counteract or neutralize each other's effect More Definitions → |
| intermittent | 1. stopping and starting at irregular intervals More Definitions → |
| irrespective | More Definitions → |
| interpretive | 1. that provides interpretation More Definitions → |
| intermediary | More Definitions → |
| illustrative | 1. clarifying by use of examples 2. serving to demonstrate More Definitions → |
| irresistible | 1. impossible to resist; overpowering 2. overpoweringly attractive More Definitions → |
| inaccessible | 1. capable of being reached only with great difficulty or not at all 2. not capable of being obtained More Definitions → |
| irreversible | 1. incapable of being reversed More Definitions → |
| illuminating | 1. tending to increase knowledge or dissipate ignorance More Definitions → |
| intimidating | 1. discouraging through fear More Definitions → |
| impoverished | 1. poor enough to need help from others 2. destroyed financially More Definitions → |
| interstellar | 1. between or among stars More Definitions → |
| incandescent | 1. emitting light as a result of being heated 2. characterized by ardent emotion or intensity or brilliance More Definitions → |
| interstitial | 1. of or relating to interstices More Definitions → |
| inconvenient | 1. not conveniently timed 2. not suited to your comfort, purpose or needs More Definitions → |
| invertebrate | 1. lacking a backbone or spinal column More Definitions → |
| interlocking | 1. linked or locked closely together as by dovetailing More Definitions → |
| illegitimate | 1. contrary to or forbidden by law 2. of marriages and offspring; not recognized as lawful More Definitions → |
| interrelated | 1. reciprocally connected More Definitions → |
| inflationary | 1. associated with or tending to cause increases in inflation More Definitions → |
| intracranial | 1. within the skull More Definitions → |
| incomparable | 1. such that comparison is impossible; unsuitable for comparison or lacking features that can be compared More Definitions → |
| insurrection | More Definitions → |
| intoxicating | 1. causing intoxication 2. extremely exciting as if by alcohol or a narcotic More Definitions → |
| inconclusive | 1. not conclusive; not putting an end to doubt or question More Definitions → |
| intersecting | 1. crossed or intersected in the form of an X More Definitions → |
| inapplicable | 1. not capable of being applied More Definitions → |
| inexplicable | 1. incapable of being explained or accounted for More Definitions → |
| invigorating | 1. imparting strength and vitality More Definitions → |
| intelligible | 1. capable of being apprehended or understood 2. well articulated or enunciated, and loud enough to be heard distinctly More Definitions → |
| intensifying | 1. increasing in strength or intensity More Definitions → |
| inadmissible | 1. not deserving to be admitted More Definitions → |
| impenetrable | 1. permitting little if any light to pass through because of denseness of matter 2. impossible to understand More Definitions → |
| intrauterine | 1. within the womb More Definitions → |
| indisputable | 1. not open to question; obviously true 2. impossible to doubt or dispute More Definitions → |
| immeasurable | 1. beyond calculation or measure 2. impossible to measure More Definitions → |
| interminable | 1. tiresomely long; seemingly without end More Definitions → |
| indefensible | 1. (of theories etc) incapable of being defended or justified 2. not able to be protected against attack More Definitions → |
| inhospitable | 1. unfavorable to life or growth 2. not hospitable More Definitions → |
| incalculable | 1. not able to be computed or enumerated 2. too much to be measured More Definitions → |
| invalidating | 1. establishing as invalid or untrue More Definitions → |
| intransitive | 1. designating a verb that does not require or cannot take a direct object More Definitions → |
| invulnerable | 1. immune to attack; impregnable More Definitions → |
| isolationism | More Definitions → |
| isolationist | 1. of or relating to isolationism More Definitions → |
| insufferable | 1. unbearably arrogant or conceited 2. too extreme to bear More Definitions → |
| insecticidal | 1. of or relating to insecticide More Definitions → |
| inarticulate | 1. without or deprived of the use of speech or words More Definitions → |
| iconoclastic | 1. characterized by attack on established beliefs or institutions 2. destructive of images used in religious worship; said of religions, such as Islam, in which the representation of living things is prohibited More Definitions → |